The utility model discloses an adjustable clamping type radiating fin which comprises a bottom plate and two clamping plates, the bottom plate is provided with a radiating surface and a binding surface, the radiating surface is vertically provided with a plurality of wing plates, and the wing plates are arranged in parallel at equal intervals; the two clamping plates are perpendicularly arranged on the attaching face of the bottom plate, movably connected to the edge of the bottom plate and capable of moving to change the distance between the two clamping plates. According to the technical scheme, the distance between the clamping structures can be adjusted so as to adapt to electronic elements of different sizes.